import router from './router'
import store from './store'

import { Toast } from 'vant';
import {actionTypes,getterTypes} from '@/store/modules/auth'
import {getItem} from "@/helpers/persistanceStorage"


import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style


NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login','/register'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = to.meta.title

  // determine whether the user has logged in
  const hasToken = getItem("accessToken")

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      const hasGetUserInfo = getterTypes.currentUser
      if (hasGetUserInfo) {
        next()
      } else {
        try {
          // get user info
          await store.dispatch(actionTypes.getCurrentUser)

          next()
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch(actionTypes.logout)
        
          Toast(error || 'Has Error');
          next(`/login?redirect=${to.fullPath}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})